}
; Different address spaces that are the same size, but they are
-; different so there should be a bitcast.
+; different so nothing should happen
define i32 addrspace(4)* @test_constant_fold_inttoptr_as_pointer_smaller_different_as() {
; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller_different_as(
-; CHECK-NEXT: ret i32 addrspace(4)* bitcast (i32 addrspace(3)* @const_zero_i32_as3 to i32 addrspace(4)*)
+; CHECK-NEXT: ret i32 addrspace(4)* inttoptr (i16 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i16) to i32 addrspace(4)*)
%x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i16
%y = inttoptr i16 %x to i32 addrspace(4)*
ret i32 addrspace(4)* %y
ret i8 ptrtoint (i32 addrspace(3)* inttoptr (i32 257 to i32 addrspace(3)*) to i8)
}
+; Address space 0 is too small for the correct mask, should mask with
+; 64-bits instead of 32
+define i64 @const_fold_ptrtoint_mask_small_as0() {
+; CHECK-LABEL: @const_fold_ptrtoint_mask_small_as0(
+; CHECK: ret i64 -1
+ ret i64 ptrtoint (i32 addrspace(1)* inttoptr (i128 -1 to i32 addrspace(1)*) to i64)
+}
+
define i32 addrspace(3)* @const_inttoptr() {
; CHECK-LABEL: @const_inttoptr(
; CHECK-NEXT: ret i32 addrspace(3)* inttoptr (i16 4 to i32 addrspace(3)*)
%b = load i32 addrspace(1)* %a, align 4
ret i32 %b
}
+
+@shared_mem = external addrspace(3) global [0 x i8]
+
+define float @canonicalize_addrspacecast(i32 %i) {
+; CHECK-LABEL: @canonicalize_addrspacecast
+; CHECK-NEXT: getelementptr inbounds float* addrspacecast (float addrspace(3)* bitcast ([0 x i8] addrspace(3)* @shared_mem to float addrspace(3)*) to float*), i32 %i
+ %p = getelementptr inbounds float* addrspacecast ([0 x i8] addrspace(3)* @shared_mem to float*), i32 %i
+ %v = load float* %p
+ ret float %v
+}